Hello, It seems that the problem is always present in kernel client 3.10.7 / ceph 0.61.8 (sometimes) I make a clone from last snapshot, and it works again :) Cheers, Laurent Barbe Le 8 août 2013 à 18:19, Laurent Barbe <laurent@xxxxxxxxxxx> a écrit : > Hello, > > I don't know if it's useful, but I can also reproduce this bug with : > rbd kernel 3.10.4 > ceph osd 0.61.4 > image format 2 > > rbd formatted in xfs, after some snapshots, and mount/umount test (no write on the file system), xfs mount make segfault and kernel have same log. > > Cheers, > > Laurent Barbe > > > Le 05/08/2013 07:22, Olivier Bonvalet a écrit : >> Yes of course, thanks ! >> >> Le dimanche 04 août 2013 à 20:59 -0700, Sage Weil a écrit : >>> Hi Olivier, >>> >>> This looks like http://tracker.ceph.com/issues/5760. We should be able to >>> look at this more closely this week. In the meantime, you might want to >>> go back to 3.9.x. If we have a patch that addresses the bug, would you be >>> able to test it? >>> >>> Thanks! >>> sage >>> >>> >>> On Mon, 5 Aug 2013, Olivier Bonvalet wrote: >>>> Sorry, the "dev" list is probably a better place for that one. >>>> >>>> Le lundi 05 ao?t 2013 ? 03:07 +0200, Olivier Bonvalet a ?crit : >>>>> Hi, >>>>> >>>>> I've just upgraded a Xen Dom0 (Debian Wheezy with Xen 4.2.2) from Linux >>>>> 3.9.11 to Linux 3.10.5, and now I have kernel panic after launching some >>>>> VM which use RBD kernel client. >>>>> >>>>> >>>>> In kernel logs, I have : >>>>> >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.205652] kernel BUG at net/ceph/osd_client.c:2103! >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.205725] invalid opcode: 0000 [#1] SMP >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.205908] Modules linked in: cbc rbd libceph libcrc32c xen_gntdev ip6table_mangle ip6t_REJECT ip6table_filter ip6_tables xt_DSCP iptable_mangle xt_LOG xt_physdev ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge loop coretemp ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd iTCO_wdt iTCO_vendor_support gpio_ich microcode serio_raw sb_edac edac_core evdev lpc_ich i2c_i801 mfd_core wmi ac ioatdma shpchp button dm_mod hid_generic usbhid hid sg sd_mod crc_t10dif crc32c_intel isci megaraid_sas libsas ahci libahci ehci_pci ehci_hcd libata scsi_transport_sas igb scsi_mod i2c_algo_bit ixgbe usbcore i2c_core dca usb_common ptp pps_core mdio >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.210499] CPU: 2 PID: 5326 Comm: blkback.3.xvda Not tainted 3.10-dae-dom0 #1 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.210617] Hardware name: Supermicro X9DRW-7TPF+/X9DRW-7TPF+, BIOS 2.0a 03/11/2013 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.210738] task: ffff880037d01040 ti: ffff88003803a000 task.ti: ffff88003803a000 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.210858] RIP: e030:[<ffffffffa02d21d0>] [<ffffffffa02d21d0>] ceph_osdc_build_request+0x2bb/0x3c6 [libceph] >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.211062] RSP: e02b:ffff88003803b9f8 EFLAGS: 00010212 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.211154] RAX: ffff880033a181c0 RBX: ffff880033a182ec RCX: 0000000000000000 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.211251] RDX: ffff880033a182af RSI: 0000000000008050 RDI: ffff880030d34888 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.211347] RBP: 0000000000002000 R08: ffff88003803ba58 R09: 0000000000000000 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.211444] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880033ba3500 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.211541] R13: 0000000000000001 R14: ffff88003847aa78 R15: ffff88003847ab58 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.211644] FS: 00007f775da8c700(0000) GS:ffff88003f840000(0000) knlGS:0000000000000000 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.211765] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.211858] CR2: 00007fa21ee2c000 CR3: 000000002be14000 CR4: 0000000000042660 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.211956] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.212052] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.212148] Stack: >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.212232] 0000000000002000 000000243847aa78 0000000000000000 ffff880039949b40 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.212577] 0000000000002201 ffff880033811d98 ffff88003803ba80 ffff88003847aa78 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.212921] ffff880030f24380 ffff880002a38400 0000000000002000 ffffffffa029584c >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.213264] Call Trace: >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.213358] [<ffffffffa029584c>] ? rbd_osd_req_format_write+0x71/0x7c [rbd] >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.213459] [<ffffffffa0296f05>] ? rbd_img_request_fill+0x695/0x736 [rbd] >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.213562] [<ffffffff810c96a7>] ? arch_local_irq_restore+0x7/0x8 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.213667] [<ffffffff81357ff8>] ? down_read+0x9/0x19 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.213763] [<ffffffffa029828a>] ? rbd_request_fn+0x191/0x22e [rbd] >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.213864] [<ffffffff8117ac9e>] ? __blk_run_queue_uncond+0x1e/0x26 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.213962] [<ffffffff8117b7aa>] ? blk_flush_plug_list+0x1c1/0x1e4 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.214059] [<ffffffff8117baad>] ? blk_finish_plug+0xb/0x2a >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.214157] [<ffffffff81255c36>] ? dispatch_rw_block_io+0x33e/0x3f0 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.214259] [<ffffffff81054f4b>] ? find_busiest_group+0x28/0x1d4 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.214357] [<ffffffff810551b0>] ? load_balance+0xb9/0x5e1 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.214454] [<ffffffff8100122a>] ? xen_hypercall_xen_version+0xa/0x20 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.214552] [<ffffffff81255f40>] ? __do_block_io_op+0x258/0x390 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.214649] [<ffffffff810026fa>] ? xen_end_context_switch+0xa/0x14 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.214747] [<ffffffff8100718a>] ? __switch_to+0x13e/0x3c0 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.214843] [<ffffffff81256421>] ? xen_blkif_schedule+0x30d/0x418 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.214947] [<ffffffff8104871e>] ? finish_wait+0x60/0x60 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.215042] [<ffffffff81256114>] ? xen_blkif_be_int+0x25/0x25 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.215138] [<ffffffff81047e7c>] ? kthread+0x7d/0x85 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.215232] [<ffffffff81047dff>] ? __kthread_parkme+0x59/0x59 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.215332] [<ffffffff8135e1bc>] ? ret_from_fork+0x7c/0xb0 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.215427] [<ffffffff81047dff>] ? __kthread_parkme+0x59/0x59 >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.215521] Code: c0 00 00 00 8b 4c 24 10 66 89 48 22 49 8b 86 c0 00 00 00 8b 14 24 89 50 1e 49 8b 44 24 48 48 89 c2 49 03 54 24 50 48 39 d3 76 02 <0f> 0b 48 29 c3 49 89 5c 24 50 41 89 5c 24 16 48 83 c4 28 5b 5d >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.219309] RIP [<ffffffffa02d21d0>] ceph_osdc_build_request+0x2bb/0x3c6 [libceph] >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.219492] RSP <ffff88003803b9f8> >>>>> Aug 5 02:51:22 murmillia kernel: [ 289.219631] ---[ end trace 3154df728731ac05 ]--- >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> ceph-users mailing list >>>>> ceph-users@xxxxxxxxxxxxxx >>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>>>> >>>> >>>> >>>> -- >>>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>> >>>> >>> -- >>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >> >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
